- Top reward
- $4,800
- Top severity paid
- Critical
- Assets in scope
- 18
- Public CVEs
- 0
- Last change
At a glance
What to know before you start testing.
- Pays up to $4,800
- for critical bugs, from $125.
- Report on Intigriti
- Submit through the program page.
- Full safe harbor
- Good-faith research is authorised; no legal action.
- No public write-ups
- Keep findings private.
Rewards
What Intigriti lists as the payout for each severity.
| Severity | Relative size | Reward |
|---|---|---|
| Critical |
|
$4,800 from $2,500 |
| High |
|
$1,800 from $1,500 |
| Medium |
|
$600 from $500 |
| Low |
|
$150 from $125 |
Scope
18 assets you may test.
Web 18
- https://nexo.com
- https://platform.nexo.com
- https://platform.nexo.com/api/1/create_recurring_payment
- https://platform.nexo.com/api/1/exchange_order
- https://platform.nexo.com/api/1/exchange_request_quote
- https://platform.nexo.com/api/1/get_pay_to_card_fee
- https://platform.nexo.com/api/1/request_bwc_quote
- https://platform.nexo.com/api/1/request_capture_payment
- https://platform.nexo.com/api/1/request_crypto_withdrawal
- https://platform.nexo.com/api/1/request_pay_to_card
- https://platform.nexo.com/api/1/term/deposits/user/create
- https://platform.nexo.com/api/platform/exchange/v1/booster/quotes
- https://platform.nexo.com/api/platform/exchange/v2/booster/orders
- https://platform.nexo.com/api/platform/exchange/v2/exchange/orders
- https://platform.nexo.com/api/trading/advanced/facade/api/v1/deposit
- https://platform.nexo.com/api/trading/advanced/facade/api/v1/fees
- https://platform.nexo.com/api/trading/advanced/facade/api/v1/order/futures
- https://platform.nexo.com/api/trading/advanced/facade/api/v1/withdraw
Rules
What the policy asks of you, and the bug types it won't reward, quoted from Nexo (via Intigriti)'s policy. "We" in these lines means the program, not this site.
While testing
-
Respect the scope of the program
-
Not discuss or disclose vulnerability information without prior written consent (including PoC's on YouTube and Vimeo)
-
You are not currently a Nexo employee.
-
please don’t forget to use your @intigriti.me address
-
By testing on the production environment, we cannot supply researchers with testing money.
Not accepted
-
API key disclosure without proven business impact
-
Wordpress usernames disclosure
-
Pre-Auth Account takeover/OAuth squatting
-
Self-XSS that can't be used to exploit other users
-
Verbose messages/files/directory listings without disclosing any sensitive information
-
CORS misconfiguration on non-sensitive endpoints
-
Missing cookie flags
-
Missing security headers
-
Cross-site Request Forgery with no or low impact
-
Presence of autocomplete attribute on web forms
-
Reverse tabnabbing
-
Bypassing rate-limits or the non-existence of rate-limits.
-
Best practices violations (password complexity, expiration, re-use, etc.)
-
Clickjacking without proven impact/unrealistic user interaction
-
CSV Injection
-
Sessions not being invalidated (logout, enabling 2FA, etc.)
-
Tokens leaked to third parties
-
Anything related to email spoofing, SPF, DMARC or DKIM
-
Content injection without being able to modify the HTML
-
Email bombing
-
HTTP Request smuggling without any proven impact
-
Homograph attacks
-
XMLRPC enabled
-
Banner grabbing/Version disclosure
-
Not stripping metadata of files
Summarised with AI from the program policy on Intigriti, and checked word for word against it. Read the original
Changes
Tracked since 11 Nov 2026. Last checked 4 minutes ago.
No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.
Before we tracked it
Scope and reward changes recorded before this page started tracking it.
-
Scope removed
https://platform.nexo.com/api/1/request_pay_to_card
-
Scope removed
https://nexo.com/
Public CVEs
Published vulnerabilities in this vendor's products, from the NVD.
No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.
Original policy
Copied from www.intigriti.com on 12 Nov 2026. The summaries on this page are made from it; the live page may have changed since.
Description
Since 2018 Nexo has strived to bring professional financial services to the world of digital assets. Leveraging the best of the team's years of experience in FinTech along with the power of blockchain technology, Nexo empowers millions of people to harness the value behind their crypto assets, shaping a new, better financial system.
Rules of engagement
By participating in this program, you agree to:
- Respect the Community Code of Conduct
- Respect the Intigriti Terms and Conditions
- Respect the scope of the program
- Not discuss or disclose vulnerability information without prior written consent (including PoC's on YouTube and Vimeo)
- You are not currently a Nexo employee.
Validation times
We will validate all submissions within the below timelines, once your submission has been verified by Intigriti. Submissions validated outside of this may be awarded a $25 bonus.
| Vulnerability Severity | Time to validate |
|---|---|
| Exceptional | 2 Working days |
| Critical | 2 Working days |
| High | 5 Working days |
| Medium | 15 Working days |
| Low | 15 Working days |
This remains at the discretion of Nexo to award.
Check our fix We offer up to $50 bonus to verify a resolved issue for us (when requested). This remains at the discretion of Nexo to award.
In scope
Introduction
We are happy to announce our program! We've done our best to clean up our known issues and now would like to request your help to spot the ones we missed!
Our worst-case scenarios are:
- Breach of confidential data;
- Customer accounts being taken over;
- Performing fraudulent transactions.
Infrastructure information:
- AWS-based infrastructure
Out of scope
All mobile applications build by the Nexo's team.
All third-party integrations.
The help/support chat function.
Application
- API key disclosure without proven business impact
- Wordpress usernames disclosure
- Pre-Auth Account takeover/OAuth squatting
- Self-XSS that can't be used to exploit other users
- Verbose messages/files/directory listings without disclosing any sensitive information
- CORS misconfiguration on non-sensitive endpoints
- Missing cookie flags
- Missing security headers
- Cross-site Request Forgery with no or low impact
- Presence of autocomplete attribute on web forms
- Reverse tabnabbing
- Bypassing rate-limits or the non-existence of rate-limits.
- Best practices violations (password complexity, expiration, re-use, etc.)
- Clickjacking without proven impact/unrealistic user interaction
- CSV Injection
- Sessions not being invalidated (logout, enabling 2FA, etc.)
- Tokens leaked to third parties
- Anything related to email spoofing, SPF, DMARC or DKIM
- Content injection without being able to modify the HTML
- Email bombing
- HTTP Request smuggling without any proven impact
- Homograph attacks
- XMLRPC enabled
- Banner grabbing/Version disclosure
- Not stripping metadata of files
- Same-site scripting
- Subdomain takeover without taking over the subdomain
- Arbitrary file upload without proof of the existence of the uploaded file
- Blind SSRF without proven business impact (pingbacks aren't sufficient)
- Disclosed/misconfigured Google Maps API keys
- Host header injection without proven business impact
General
- In case that a reported vulnerability was already known to the company from their own tests, it will be flagged as a duplicate
- Theoretical security issues with no realistic exploit scenario(s) or attack surfaces, or issues that would require complex end user interactions to be exploited
- Spam, social engineering and physical intrusion
- DoS/DDoS attacks or brute force attacks
- Vulnerabilities that only work on software that no longer receive security updates
- Attacks requiring physical access to a victim's computer/device, man in the middle or compromised user accounts
- Recently discovered zero-day vulnerabilities found in in-scope assets within 14 days after the public release of a patch or mitigation may be reported, but are usually not eligible for a bounty
- Reports that state that software is out of date/vulnerable without a proof-of-concept
Severity
This program follows Intigriti's triage standards
FAQ
Where can we get credentials for the app?
You can self-register on the application but please don’t forget to use your @intigriti.me address.
How can I transfer money to another user?
You can use the built-in functionality in the platform. By scrolling down to the asset, you want to send -> click on Transfer, and follow the on-screen steps.
I have "Unfortunately, Nexo is not available in your country, region or state. Please contact Nexo Support if you believe this is an error." error. What to do?
- If you are NOT a citizen or a resident of one of the following countries but you are currently in it, use a VPN to register. After that, you will be able to use our platform freely.
- If you are not in one of those countries but still can not register, check our Terms and Conditions section four "ONBOARDING" for more information or contact us directly.
- If you are a citizen or a resident of one of those countries, you will not be able to use our products. If you were invited to the program and you are a citizen or a resident of one of those countries, please excuse us.
Can I have a "test" money?
By testing on the production environment, we cannot supply researchers with testing money. Any user has to follow our Terms and Conditions while using the platform and putting money on the platform will be at their own risk.